A Comparative Study of Leptospirosis and Dengue in Thai Children

Daniel H Libraty, Khin S A Myint, Clinton K Murray, Robert V Gibbons, Mammen P Mammen, Timothy P Endy, Wenjun Li, David W Vaughn, Ananda Nisalak, Siripen Kalayanarooj, Duane R Hospenthal, Sharone Green, Alan L Rothman and Francis A Ennis

PLOS Neglected Tropical Diseases, 2007, vol. 1, issue 3, 1-7

Abstract: Background: Leptospirosis is an emerging zoonosis that is often under-recognized in children and commonly confused with dengue in tropical settings. An enhanced ability to distinguish leptospirosis from dengue in children would guide clinicians and public health personnel in the appropriate use of limited healthcare resources. Methodology/Principal Findings: We conducted a prospective, hospital-based, study of children with acute febrile illnesses and dengue in Thailand. Among the children without dengue, we identified those with leptospirosis using anti-leptospira IgM and microscopic agglutination titers in paired acute and convalescent blood samples. We then performed a case-control comparison of symptoms, signs, and clinical laboratory values between children with leptospirosis and dengue. Conclusions/Significance: Unrecognized leptospirosis can be a significant cause of “dengue-like” febrile illness in children. Increased awareness of pediatric leptospirosis, and an enhanced ability to discriminate between leptospirosis and dengue early in illness, will help guide the appropriate use of healthcare resources in often resource-limited settings. Author Summary: Two of the most common causes of acute febrile illnesses among children in the tropics are leptospirosis and dengue. Early in illness, these two conditions are often indistinguishable and rapid laboratory confirmation of the infecting pathogen is generally not available. An enhanced ability to distinguish leptospirosis from dengue in children would guide clinicians and public health personnel in the appropriate use of limited healthcare resources.

Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pntd00:0000111

DOI: 10.1371/journal.pntd.0000111

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